Board Connector Ribs and Grooves Prevent Housing Scraping
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Solution Overview
Problem
Existing board connectors are prone to scraping of the housing when an external force is applied to the fixing member, particularly in a rotating direction, due to the design of retaining portions and locking mechanisms.
Innovation Solution
The board connector features a housing with ribs and grooves that intersect in a specific direction, along with a slit to divide locking areas, ensuring that the fixing member is securely locked and resistant to external forces, preventing scraping and maintaining rigidity by optimizing the length and arrangement of these features.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If retaining portions are provided on side edges of the fixing member to hold it in the housing, then the fixing member can be securely retained, but the retaining portions scrape the side edges of the mounting groove when external force is applied in a rotating direction
Solution Approach 1:
The invention divides the locking function into two independent systems: (1) retaining portions on the fixing member that engage with the mounting groove for basic retention, and (2) a separate locking projection-locking hole mechanism that provides anti-rotation locking. This segmentation allows each component to perform its specific function without interfering with the other, preventing the scraping problem while maintaining secure retention.
2Stability of the object's composition
If a locking projection and locking hole are provided to prevent rotation, then rotational stability is improved, but the structure becomes more complex
Solution Approach 1:
The invention merges the locking projection and locking hole directly into the housing and fixing member bodies respectively, rather than using separate components. The locking projection is formed as an integral part of the housing, and the locking hole is formed as an integral part of the fixing member, simplifying the overall structure while providing effective rotational stability.
3Object-affected harmful factors
If the fixing member is designed to resist external forces through ribs and grooves, then scraping is prevented, but the manufacturing complexity increases
Solution Approach 1:
The invention addresses the scraping problem by introducing a dimensional solution: ribs extending in a first direction on the housing and corresponding grooves in the fixing member that extend in a second direction intersecting the first direction. This orthogonal arrangement creates a multi-dimensional locking effect that prevents scraping without requiring complex curved surfaces or asymmetric designs, maintaining ease of manufacture through simple linear features.
Data Source
AI summary
A housing (10) includes locking portions (13) on both sides of a mounting surface (12). A fixing member (60) includes a housing mounting portion (61) to be arranged along the mounting surface (12) in the housing (10) and locked by the locking portions (13). A plurality of ribs (18) arranged while being spaced apart in a first direction (front-back direction) along the mounting surface (12) and respectively extending in a second direction (vertical direction) intersecting with the first direction are provided on the mounting surface (12) of the housing (10). The housing mounting portion (61) of the fixing member (60) is provided with a plurality of grooves (69) extending in the second direction and to be fit to the respective ribs (18).